CVE-2026-55173 AVideo incomplete fix for CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

WWBN AVideo is an open source video platform. Versions 29.0 and below remain vulnerable to OS command injection because the fix for CVE-2026-33482 was incomplete and still does not neutralize a single & the shell background operator. CVE-2026-33482 reported that sanitizeFFmpegCommand...

CVE-2026-55173

Summary: CVE-2026-55173 affects WWBN AVideo (versions 29.0 and below). The issue is an OS command injection in the ffmpeg command construction: sanitizeFFmpegCommand() fails to neutralize a single ‘&’ (background operator). The fix from CVE-2026-33482 added several metacharacters to the denylist ...

PT-2026-51639

Name of the Vulnerable Software and Affected Versions WWBN AVideo versions 29.0 and earlier Description An OS command injection issue exists due to an incomplete fix for a previous vulnerability. The sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php fails to neutralize the...

CVE-2026-33482

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails ...

CVE-2026-33482 AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails ...

CVE-2026-33482 AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails ...

CVE-2026-33482

CVE-2026-33482 affects WWBN AVideo prior to 26.1 (up to 26.0) where sanitizeFFmpegCommand() fails to remove $() (bash command substitution). Since the sanitized ffmpeg command is executed in a double-quoted sh -c context, an attacker able to supply a crafted encrypted payload can achieve arbitrar...

WWBN AVideo 操作系统命令注入漏洞

WWBN AVideo is a video platform building system developed by the WWBN team using PHP. Versions of WWBN AVideo prior to 26.0 contained a vulnerability related to operating system command injection. This vulnerability stemmed from the sanitizeFFmpegCommand function, which failed to filter bash...

AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

Summary The sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails to strip $ bash command substitution syntax. Since the sanitized command is...

GHSA-PMJ8-R2J7-XG6C AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

Summary The sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails to strip $ bash command substitution syntax. Since the sanitized command is...